Convert Megapascals to Bar
Instantly convert Megapascals (MPa) to Bar (bar) with our free online calculator.
Formula: MPa to bar — multiply by 10
Reference Table
| Megapascals (MPa) | Bar (bar) |
|---|---|
| 1 | 10 |
| 5 | 50 |
| 10 | 100 |
| 25 | 250 |
| 50 | 500 |
| 100 | 1000 |
How to Convert Megapascals to Bar
Formula
To convert Megapascals (MPa) to Bar (bar): multiply by 10
Step-by-Step
- Start with your value in Megapascals (MPa).
- Multiply by 10 to perform the conversion.
- The result is your value expressed in Bar (bar).
Conversion Factor
1 MPa = 10 bar
Reverse Factor
1 bar = 0.1 MPa
Worked Example
Convert 25 Megapascals to Bar: 25 MPa = 250 bar
About Megapascal (MPa)
A metric unit of pressure equal to exactly 1,000,000 pascals (1,000 kPa), or 10 bar. Megapascals are the universal SI unit for material strength reporting in structural and mechanical engineering: concrete compressive strength (typically 20-60 MPa per ACI 318 / Eurocode 2, with ultra-high-performance concrete reaching 150-200 MPa), structural-steel yield stress (250 MPa for S275 / A36, 355 MPa for S355, up to 690 MPa for HSLA grades), aluminum tensile (6061-T6 ~310 MPa), and the fracture toughness of ceramics and polymers reported as MPa·m^½ in materials databases. Mechanical-engineering finite-element solvers (Abaqus, ANSYS, Nastran), pressure-vessel codes (ASME BPVC Section VIII, PD 5500, EN 13445), hydraulic system specifications above ~70 bar, and the civil-engineering concrete mix specs all use MPa as the working pressure/stress unit. Common conversions: 1 MPa = 10 bar = 145.04 psi = 9.869 atm.
About Bar (bar)
A metric unit of pressure equal to exactly 100,000 pascals (100 kPa), approximately the average sea-level atmospheric pressure on Earth (1 atm = 1.01325 bar). Defined by IUPAC and accepted for use with the SI by the BIPM, the bar is not itself an SI-proper unit but is universally recognized in engineering. Bars are the default unit in European industry for compressed gas systems (compressed air at 6-10 bar shop pressure), hydraulics (mobile equipment at 200-400 bar working pressure), and chemical process plants. Car tire pressures in much of the world outside the US are specified in bar (a typical passenger car runs ~2.2 bar / 32 psi cold). Gauges on scuba cylinders (200 bar fill / ~2900 psi), brewery CO₂ tanks, fire suppression systems, and espresso machines (9 bar extraction pressure) all read in bar. 1 bar = 14.504 psi = 100 kPa = 0.9869 atm.
Quick Facts
- 1 Megapascal equals 10 Bar
- 1 Bar equals 0.1 Megapascals
- Megapascal is a unit of pressure
- Bar is a unit of pressure
- This conversion is commonly used in tire inflation, weather reporting, scuba diving, and engineering
- The Megapascal belongs to the metric system
Common Megapascal to Bar Conversions
| Megapascals (MPa) | Bar (bar) |
|---|---|
| 0.1 | 1 |
| 0.5 | 5 |
| 1 | 10 |
| 2 | 20 |
| 5 | 50 |
| 10 | 100 |
| 14.696 | 146.96 |
| 15 | 150 |
| 20 | 200 |
| 25 | 250 |
| 50 | 500 |
| 100 | 1000 |
| 150 | 1500 |
| 200 | 2000 |
| 500 | 5000 |
| 1000 | 10000 |
Understanding Megapascals
The Megapascal (symbol: MPa) is a unit of pressure. A metric unit of pressure equal to exactly 1,000,000 pascals (1,000 kPa), or 10 bar. Megapascals are the universal SI unit for material strength reporting in structural and mechanical engineering: concrete compressive strength (typically 20-60 MPa per ACI 318 / Eurocode 2, with ultra-high-performance concrete reaching 150-200 MPa), structural-steel yield stress (250 MPa for S275 / A36, 355 MPa for S355, up to 690 MPa for HSLA grades), aluminum tensile (6061-T6 ~310 MPa), and the fracture toughness of ceramics and polymers reported as MPa·m^½ in materials databases. Mechanical-engineering finite-element solvers (Abaqus, ANSYS, Nastran), pressure-vessel codes (ASME BPVC Section VIII, PD 5500, EN 13445), hydraulic system specifications above ~70 bar, and the civil-engineering concrete mix specs all use MPa as the working pressure/stress unit. Common conversions: 1 MPa = 10 bar = 145.04 psi = 9.869 atm.
It belongs to the metric measurement system.
Megapascals are commonly used in tire inflation, weather reporting, scuba diving, and engineering.
Understanding Bar
The Bar (symbol: bar) is a unit of pressure. A metric unit of pressure equal to exactly 100,000 pascals (100 kPa), approximately the average sea-level atmospheric pressure on Earth (1 atm = 1.01325 bar). Defined by IUPAC and accepted for use with the SI by the BIPM, the bar is not itself an SI-proper unit but is universally recognized in engineering. Bars are the default unit in European industry for compressed gas systems (compressed air at 6-10 bar shop pressure), hydraulics (mobile equipment at 200-400 bar working pressure), and chemical process plants. Car tire pressures in much of the world outside the US are specified in bar (a typical passenger car runs ~2.2 bar / 32 psi cold). Gauges on scuba cylinders (200 bar fill / ~2900 psi), brewery CO₂ tanks, fire suppression systems, and espresso machines (9 bar extraction pressure) all read in bar. 1 bar = 14.504 psi = 100 kPa = 0.9869 atm.
It belongs to the metric measurement system.
Bar are commonly used in tire inflation, weather reporting, scuba diving, and engineering.
Why Convert Megapascals to Bar?
Engineers, mechanics, and scientists frequently need to convert pressure between Megapascals and Bar when working with different measurement standards. Tire pressure, blood pressure readings, weather barometric measurements, and industrial process specifications may all use different pressure units depending on the region or discipline. Reliable conversion prevents equipment misuse and ensures safety.
Frequently Asked Questions
How do I convert Megapascals to Bar?
A metric unit of pressure equal to exactly 1,000,000 pascals (1,000 kPa), or 10 bar. To convert Megapascals to Bar, multiply by 10. For example, 25 MPa equals 250 bar.
How many Bar are in 1 Megapascal?
There are 10 Bar in 1 Megapascal.
How many Megapascals are in 1 Bar?
There are 0.1 Megapascals in 1 Bar.
What is the formula for Megapascal to Bar conversion?
The formula is: multiply by 10. This means 1 MPa = 10 bar.
Is a Megapascal bigger than a Bar?
No. One Megapascal is smaller than one Bar because 1 MPa equals 10 bar, which is greater than 1.
When do you need to convert between Megapascals and Bar?
A metric unit of pressure equal to exactly 100,000 pascals (100 kPa), approximately the average sea-level atmospheric pressure on Earth (1 atm = 1. Megapascal and Bar are both pressure units, so conversion comes up whenever one source of information uses one unit and another uses the other — a classic cross-reference challenge in engineering, trade, travel, and everyday life.